On 07/02/2017 02:40 PM, Weixiong Zheng wrote:
The same thing happens to my function setting material ID, which takes the
same arguments in. Do you have any idea what's happening or what I can provide
to help diagnose the problem?
The data type used for boundary_id and material_id is 'unsigned char', but we
treat it as an integer type. So when you set, say, the boundary_id to 13, and
then print it on the screen, it is treated as ASCII character 13 -- which is
not printable in a form that shows up on the screen.
You'll get to see what you want if you convert things to an integer:
std::cout << "boundary id "
<< static_cast<int>(cell->face(fn)->boundary_id ()) << std::endl;
Cheers
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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